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Langfang Dingyang Flange & Pipe Fitting Co.,Ltd wishes you enjoy a happy Army Day!

August 1st Army Day is the anniversary of the founding of the Chinese people’s Liberation Army. It is set up by the Chinese people’s Revolutionary Military Commission on August 1st every year to commemorate the founding of the Chinese workers’ and peasants’ Red Army.On July 11, 1933, the Provisional

2022-08-02
Some relevant information of international flange

International flange is relatively strict in production. In fact, as long as you bring the word international, you mean the flange produced according to the provisions of relevant standards. Therefore, it is in full compliance with the regulations. Such international flanges will be more assured whe

2022-05-25
What are the mechanical properties of duplex steel flange

The existence of dual phase steel flange restricts the growth of grains between dual phases. Dual phase stainless steel maintains fine grains, and the total area of grain boundary of dual phase stainless steel is larger than that of single-phase steel. Therefore, dual phase stainless steel has high

2022-04-13
Brief introduction of high neck flange

Neck flange, also known as long neck flange and neck flange, is a disc-shaped part, which is mainly used to realize the connection between pipelines. It has been widely used in petrochemical, urban water supply and power system. In recent years, with the planning and construction of UHV transmission

2022-03-30
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